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7.6 Correcting After Abnormal
Completion of Test Run
The test run is considered complete when there is no
error code on the user interface or the outdoor unit
display. When an error code is displayed, correct the
operation based on the description in the error code
table. Try to conduct the test run again to check that the
exception has been corrected.
INFORMATION
i
Refer to the installation manual of the indoor unit
for details on other error codes related to the
indoor unit.
7.7 Operating This Unit
Once the installation of this unit is completed, and the
test run of the outdoor and indoor units is done, you can
start to run the system.
The indoor unit user interface should be connected to
facilitate the operations of the indoor unit. Please refer to
the installation manual of the indoor unit for more details.
8 MAINTENANCE AND REPAIR
INFORMATION
i
Arrange for the installation personnel or service
dealer to carry out one maintenance every year.
8.1 Overview
This chapter contains the following information:
Take electrical hazards preventive measures during
system maintenance and repair.
8.2 Safety Precautions
NOTE
Before carry out any maintenance or repair
work, touch the metal parts of the unit to
dissipate static electricity and protect the PCB.
8.2.1 Prevent electrical hazards
When maintaining and repairing the inverter module
1. Do not open the cover of the electrical component box
within 5 minutes after the power is switched off.
2. Verify that the power supply is switched off before you
use the measuring instrument to measure the voltage
between the main capacitor and the main terminal
ensure that the capacitor voltage in the main circuit is
less than 36 VDC. the position of main terminal have be
shown in the Wiring nameplate(The port of CN38 on the
inverter module board).
3. Pull out the plug connecting to the power cord of the
fan to prevent the fan from rotating when it is windy
outside. The strong winds will cause the fan to rotate and
generate electricity which can charge the capacitor or
terminals, leading to an electric shock. At the same time,
do take note of any mechanical damage. The blades of a
high speed rotating fan are very dangerous and cannot
be operated by one person alone.
4. Once the maintenance or repair is completed,
remember to reconnect the plug to the terminal;
otherwise, a fault will be reported for the main control
board.
5. When the unit is power on, the fan of the unit with auto
snow-blowing function will run periodically, so make sure
the power supply is off before touching the unit.
Please refer to the wiring schematic on the unit.
9 TECHNICAL DATA
9.1 Dimensions
NOTE
Product dimension may slight differ for different
panel used, tolerance range ±30mm, the actual
size prevail to your purchasing.
Product picture on the page is for reference only.
14-16HP
1130
20HP
1250
Unit: mm
614
278
Fig. 9.1
278
674
Fig. 9.2
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